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(2008 GO20)
Classification: Apollo [NEO]          SPK-ID: 3408681
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4909768350318259 2.8374e-05  
a 1.892852717691221 9.7887e-05 au
q .9635058811777948 3.8851e-06 au
i 2.249751849107505 8.9087e-05 deg
node 119.5928278625965 0.00064674 deg
peri 160.6433975632237 0.00060105 deg
M 283.3761999915948 0.13219 deg
tp 2459402.957955428366
(2021-Jul-07.45795543)
0.36499 TDB
period 951.2039855269078
2.60
0.073786
0.000202
d
yr
n .3784677161551026 2.9358e-05 deg/d
Q 2.822199554204647 0.00014595 au
  Orbit Determination Parameters
   # obs. used (total)      51  
   data-arc span      124 days  
   first obs. used      2008-04-09  
   last obs. used      2008-08-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .60548  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:03:44  

Additional Information
 Earth MOID = .00891039 au 
 Jupiter MOID = 2.34646 au 
 T_jup = 3.799 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 22.3   n/a MPO141921  

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1961-Aug-27 14:38 4_12:14 Earth 0.216891536561751 0.139612004232759 0.294434572278013 15.5465774168311 15.5457872005108 2437539.109815632 6494.30239114058 3878558.03171761 48.2577660973782 5.23299429213606 54443.4791824064 T 18 CATAB v2.0e-lin.ifort 2017-Nov-28 10:30:44 2018-Dec-11 15:11
1977-Jun-16 16:17 3_11:49 Mars 0.0287184627483436 0.0187787686414405 0.0763660652180851 10.742898699455 10.7419707116373 2443311.178156835 5028.92403233974 2607708.83842738 36.8967591555328 -40.839260482927 76593.8170685688 T 18 CATAB v2.0e-lin.ifort 2017-Nov-28 10:30:44 2018-Dec-11 15:11
1982-May-03 02:08 2_12:03 Earth 0.269049092725031 0.219892146047608 0.318315227305713 16.996920297399 16.9963376336069 2445092.589123533 3603.14758821066 2468821.45802645 43.339066208962 -6.19385474128406 88799.7074589397 T 18 CATAB v2.0e-lin.ifort 2017-Nov-28 10:30:44 2018-Dec-11 15:11
1995-May-26 03:42 2_19:46 Earth 0.0384360181556613 0.0318553506133342 0.0490549788312876 9.57202439194474 9.56477945588121 2449863.654141674 4065.58876823964 761762.893347086 41.2757181731153 -53.6765777773758 108523.912833059 T 18 CATAB v2.0e-lin.ifort 2017-Nov-28 10:30:44 2018-Dec-11 15:11
2008-Jun-20 08:43 00:01 Earth 0.0517918827420878 0.0517841647519091 0.0517996007286041 7.93707267944606 7.93058831015536 2454637.863496772 1.23729687190227 384.25093759802 34.7706611345312 -0.604992899670864 12085.9755398728 T 18 CATAB v2.0e-lin.ifort 2017-Nov-28 10:30:44 2018-Dec-11 15:11
2021-Jul-27 13:27 4_10:56 Earth 0.0261587394325991 0.0163292525692691 0.0368661911811611 8.32632653759022 8.31408428047025 2459423.060526712 6416.1853450397 565571.041828801 51.1283536591048 -22.9561720418738 31432.2754201308 T 18 CATAB v2.0e-lin.ifort 2017-Nov-28 10:30:44 2018-Dec-11 15:11
2047-Jun-19 23:04 7_22:44 Earth 0.0498610762713936 0.0445810913324902 0.0561837282344538 7.89957007653812 7.89280249772106 2468881.461438472 11443.8958950124 462332.773859213 43.0852431300728 50.7607226762806 151153.99569443 T 18 CATAB v2.0e-lin.ifort 2017-Nov-28 10:30:44 2018-Dec-11 15:11
2060-May-27 15:24 2_22:18 Earth 0.0331235315601264 0.0308310220807098 0.0403319701557314 9.27940917954532 9.27073639822414 2473607.141718994 4218.15720924701 693121.497037056 44.0522164043763 -68.5813139994831 103447.460903155 T 18 CATAB v2.0e-lin.ifort 2017-Nov-28 10:30:44 2018-Dec-11 15:11
2073-May-08 11:56 7_14:04 Earth 0.187877235098872 0.0735485169727239 0.305496081623988 14.6395110983817 14.6385423165326 2478335.997555770 10923.5031711098 5915114.0072361 45.3872252053531 -9.52750943994875 90890.7440936877 T 18 CATAB v2.0e-lin.ifort 2017-Nov-28 10:30:44 2018-Dec-11 15:11
2086-Apr-24 11:52 6_16:42 Earth 0.435128214943292 0.252471654887101 0.618054857392825 21.9332627782758 21.9329835916346 2483069.994594331 9642.35077366308 9131096.55862075 49.0314214176819 -3.09379666363111 64613.176001824 T 18 CATAB v2.0e-lin.ifort 2017-Nov-28 10:30:44 2018-Dec-11 15:11
2091-Sep-10 08:34 7_18:37 Earth 0.416537157499342 0.211455255099689 0.622437998984458 21.4520558105539 21.4517576208059 2485034.857139779 11197.2911658641 10288350.2036293 46.4813234040535 4.47721043334247 94318.0416971992 T 18 CATAB v2.0e-lin.ifort 2017-Nov-28 10:30:44 2018-Dec-11 15:11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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